﻿// Spun AJAX Framework
// Copyright (C) 2008 Blake Hegerle
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Formality
{
    public class PredicateComparer<T> : IEqualityComparer<T>
    {
        public PredicateComparer(Func<T, T, bool> Predicate)
        {
            this.Predicate = Predicate;
        }

        #region IEqualityComparer<T> Members

        public bool Equals(T x, T y)
        {
            return Predicate(x, y);
        }

        public int GetHashCode(T obj)
        {
            return obj.GetHashCode();
        }

        #endregion

        private Func<T, T, bool> Predicate;
    }
}
